The Walschaert and Other Modern Radial Valve Gears for Locomotives: A Practical Treatise on the Locomitive Valve Actuating Mechanism Invented by Egide Walschaerts, with the History of Its Development and Its Evolution Into the Mechanically Correct Locomotive Valve Gear of the Present Day ...Norman W. Henley publishing Company, 1913 - 245 стор. |
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Результати 1-5 із 39
Сторінка 21
... gives a corresponding movement to the valve , so , if the link EE should be lowered , eccentric B would actuate the valve , and as this represents an " indirect motion " engine - that is , whichever way the link- block is moved it will ...
... gives a corresponding movement to the valve , so , if the link EE should be lowered , eccentric B would actuate the valve , and as this represents an " indirect motion " engine - that is , whichever way the link- block is moved it will ...
Сторінка 24
... give the proper motion to the valve for running the engine backward , and of course the direction is fixed : it can only run that way . Besides having no power to turn the wheel when the main - pin is on the dead - centre regardless of ...
... give the proper motion to the valve for running the engine backward , and of course the direction is fixed : it can only run that way . Besides having no power to turn the wheel when the main - pin is on the dead - centre regardless of ...
Сторінка 25
... give this kind of an eccentric the advance necessary to secure lead , or overcome the outside lap , with outside ad- mission valves we must lengthen the return crank slightly , but still keeping eccentric pin E the same distance from ...
... give this kind of an eccentric the advance necessary to secure lead , or overcome the outside lap , with outside ad- mission valves we must lengthen the return crank slightly , but still keeping eccentric pin E the same distance from ...
Сторінка 31
... give a short travel to the valve even if the eccentric should be disconnected . When the crank - the main - pin— reaches the upper quarter where its leverage force is greatest the lower end of the combination lever is at the middle of ...
... give a short travel to the valve even if the eccentric should be disconnected . When the crank - the main - pin— reaches the upper quarter where its leverage force is greatest the lower end of the combination lever is at the middle of ...
Сторінка 38
... set the reverse lever in the centre notch of the quadrant and have the engine moved by " pinch- ing , " or towing , as before stated , the eccentric would not give any motion to the link - block , 38 THE WALSCHAERT VALVE GEAR.
... set the reverse lever in the centre notch of the quadrant and have the engine moved by " pinch- ing , " or towing , as before stated , the eccentric would not give any motion to the link - block , 38 THE WALSCHAERT VALVE GEAR.
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90 degrees actuated admission port ahead Air Brake American Locomotive Company angle axle back end backward Baldwin Locomotive bell crank bination lever block boiler combination lever compression valve crosshead link cut-off D-slide valve dead centre diagrams direction disconnected distance driving wheels eccentric crank eccentric rod Egide Walschaert equal equipped exact centre exactly exhaust forward full gear Hobart-Allfree hub centre inches inside admission valves lap and lead length link foot link fulcrum live steam lost motion lower end main crank-pin main rod main valve main-pin moved pin hole piston valve port opening position quadrant radius bar radius rod reach rod return crank reverse lever reverse shaft rocker rocker-arm schaert shortened side steam lap Stephenson link motion stroke tion transmission bar upper end valve events valve motion valve rod valve stem valve-stem valves of inside vertical Walschaert eccentric Walschaert gear Walschaert motion Walschaert valve gear yoke